Car USB charger



FIG. 1 is a front, bottom, and left side perspective view of a car USB charger showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof. 

CLAIM The ornamental design for a car USB charger, as shown and described. 